#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2018-12-05 15:59
# @Author  : 少爷

for i in range(ord('x'), ord('z') + 1):
    for j in range(ord('x'), ord('z') + 1):
        if i != j:
            for k in range(ord('x'), ord('z') + 1):
                if (i != k) and (j != k):
                    if (i != ord('x')) and (k != ord('x')) and (k != ord('z')):
                        print 'order is a -- %s\t b -- %s\t c -- %s' % (chr(i), chr(j), chr(k))
